Assignee
CHEMIE LINZ GMBH
AT·70 granted patents·807 citations·filing 1984–1998
Top patents by PatentIndex Score
70 records- 0194US5206066AMelamine resin prepregs and melamine resin laminates based on modified melamine resinsCHEMIE LINZ GMBH·Filed 1992·Granted Apr 27, 1993·82 cites·9 claims
- 0293US4769464AProcess for the preparation of monocarbonyl or biscarbonyl compoundsCHEMIE LINZ GMBH·Filed 1984·Granted Sep 6, 1988·71 cites·14 claims
- 0391US5414083AMethod for the production of N-cyclic and N,N'-dicyclic ureas and their use as chemical solventsCHEMIE LINZ GMBH·Filed 1994·Granted May 9, 1995·71 cites·5 claims
- 0490US5369198ACopolymers based on maleic acid derivatives and vinyl monomers, their production and applicationCHEMIE LINZ GMBH·Filed 1994·Granted Nov 29, 1994·105 cites·3 claims
- 0578US5169954AProcess for the N-alkylation of ureasCHEMIE LINZ GMBH·Filed 1991·Granted Dec 8, 1992·22 cites·10 claims
- 0678US5124451AProcess for the n-alkylation or ureasCHEMIE LINZ GMBH·Filed 1991·Granted Jun 23, 1992·19 cites·10 claims
- 0775US5189215AProcess for the preparation of storage-stable levulinic acidCHEMIE LINZ GMBH·Filed 1991·Granted Feb 23, 1993·18 cites·11 claims
- 0873US5005771AProcess for the continuous drying of hydrophilic polymer gelsCHEMIE LINZ GMBH·Filed 1990·Granted Apr 9, 1991·43 cites·5 claims
- 0973US4990551AAbsorbing polymerCHEMIE LINZ GMBH·Filed 1989·Granted Feb 5, 1991·32 cites·10 claims
- 1071US5597917AMethod for the production of N-cyclic and N,N'-dicyclic ureas and their use as chemical solventsCHEMIE LINZ GMBH·Filed 1995·Granted Jan 28, 1997·18 cites·4 claims
- 1170US5087384AMelamine preparation and stable dispersion of melamine in polyether polyolsCHEMIE LINZ GMBH·Filed 1990·Granted Feb 11, 1992·17 cites·8 claims
- 1268US5874637AProcess for the purification of o-phthalaldehydeCHEMIE LINZ GMBH·Filed 1997·Granted Feb 23, 1999·12 cites·9 claims
- 1368US5232976AThermally expandable fire-protection composition comprising expandable graphite, chloroprene latex and compounds forming a paracrystalline carbon skeletonCHEMIE LINZ GMBH·Filed 1992·Granted Aug 3, 1993·31 cites·7 claims
- 1467US5475141AProcess for preparing primary amines from aldehydesCHEMIE LINZ GMBH·Filed 1994·Granted Dec 12, 1995·17 cites·9 claims
- 1567US5106883AMelamine preparation and stable dispersion of melamine in polyether polyolsCHEMIE LINZ GMBH·Filed 1991·Granted Apr 21, 1992·14 cites·8 claims
- 1666US5405425ASoil conditionersCHEMIE LINZ GMBH·Filed 1992·Granted Apr 11, 1995·19 cites·8 claims
- 1764US5196545AProcess for the preparation of allantoinCHEMIE LINZ GMBH·Filed 1991·Granted Mar 23, 1993·10 cites·3 claims
- 1863US5723612AProcess for the preparation of pure 4,6-dihloropyrimidineCHEMIE LINZ GMBH·Filed 1996·Granted Mar 3, 1998·11 cites·9 claims
- 1962US5686638AProcess for the preparation of mono- or dicarboxylic acids from aldehydes, from their full acetals or hemiacetals or from mixtures thereofCHEMIE LINZ GMBH·Filed 1995·Granted Nov 11, 1997·11 cites·11 claims
- 2062US5373038AFlame resistant plastics containing guanidine barbiturates or guanidine thiobarbiturates, and also guanidine barbiturates and guanidine thiobarbiturateCHEMIE LINZ GMBH·Filed 1993·Granted Dec 13, 1994·11 cites·9 claims
- 2162US5283362AProcess for the preparation of pure N,N'-asymmetrically substituted phenylureasCHEMIE LINZ GMBH·Filed 1992·Granted Feb 1, 1994·8 cites·10 claims
- 2262US5078980AProcess for the removal of isocyanic acid from a mixture of isocyanic acid and ammoniaCHEMIE LINZ GMBH·Filed 1990·Granted Jan 7, 1992·15 cites·9 claims
- 2361US5346816AEnzymatic process for the enantioselective preparation of optically active cyanohydrinsCHEMIE LINZ GMBH·Filed 1992·Granted Sep 13, 1994·9 cites·8 claims
- 2460US5686625AProcess for the preparation of N-substituted glycine acids or glycine esters and the use of the process for indigo synthesisCHEMIE LINZ GMBH·Filed 1994·Granted Nov 11, 1997·9 cites·10 claims
- 2556US6046042A(S)-hydroxynitrilelyase from Hevea brasiliensisCHEMIE LINZ GMBH·Filed 1996·Granted Apr 4, 2000·15 cites·12 claims
- 2653US5043444AProcess for the preparation of asymmetrically substituted ureasCHEMIE LINZ GMBH·Filed 1990·Granted Aug 27, 1991·5 cites·10 claims
- 2752US5534436AEnzymatic resolution of asymmetric alcohols by means of vinyl esters of polybasic carboxylic acidsCHEMIE LINZ GMBH·Filed 1995·Granted Jul 9, 1996·7 cites·5 claims
- 2852US5384347AFlame-resistant plastics containing trihydrazinotriazine, triguanidinotriazine or salts thereofCHEMIE LINZ GMBH·Filed 1993·Granted Jan 24, 1995·7 cites·6 claims
- 2951US5288876ABenzophenone iminodiimides and heat-stable polymers derived therefromCHEMIE LINZ GMBH·Filed 1992·Granted Feb 22, 1994·9 cites·3 claims
- 3051US5126462ASulfur-containing aromatic tetracarboxylic acids and derivatives thereofCHEMIE LINZ GMBH·Filed 1988·Granted Jun 30, 1992·4 cites·7 claims
- 3148US5734064AProcess for the preparation of carboxylic acid succinimidyl estersCHEMIE LINZ GMBH·Filed 1997·Granted Mar 31, 1998·4 cites·8 claims
- 3247US5714356AEnzymic process for preparing aliphatic S-cyanohydrinsCHEMIE LINZ GMBH·Filed 1995·Granted Feb 3, 1998·5 cites·6 claims
- 3347US5344942AReagents for racmate resolutionCHEMIE LINZ GMBH·Filed 1993·Granted Sep 6, 1994·3 cites·2 claims
- 3445US5491255AProcess for the transesterification of dimethyl succinylsuccinateCHEMIE LINZ GMBH·Filed 1994·Granted Feb 13, 1996·3 cites·5 claims
- 3545US5091553AProcess for the preparation of substituted isocyanatesCHEMIE LINZ GMBH·Filed 1990·Granted Feb 25, 1992·3 cites·8 claims
- 3644US5278054AProcess for the enzymatic hydrolysis of a carboxylic acid derivativeCHEMIE LINZ GMBH·Filed 1992·Granted Jan 11, 1994·5 cites·11 claims
- 3744US5147914AUse of spirocyclic boric acid esters as flame retardants in plasticsCHEMIE LINZ GMBH·Filed 1991·Granted Sep 15, 1992·5 cites·10 claims
- 3841US5659076AProcess for the production of 2,5-dianilino-terephthalic acidsCHEMIE LINZ GMBH·Filed 1995·Granted Aug 19, 1997·3 cites·4 claims
- 3941US5412110AEnzymatic process to separate racemic mixtures of delta valerolactonesCHEMIE LINZ GMBH·Filed 1992·Granted May 2, 1995·3 cites·11 claims
- 4041US5045549ASubstituted 4-pyridone 3-carboxylic acid derivatives, method for their production and their pharmaceutical compositionsCHEMIE LINZ GMBH·Filed 1987·Granted Sep 3, 1991·3 cites·6 claims
- 4140US5756812AProcess for the preparation of pure (S,S)-N-(1-ethoxycarbonyl-3-phenylpropyl) alanineCHEMIE LINZ GMBH·Filed 1997·Granted May 26, 1998·2 cites·7 claims
- 4240US5382649AThermoplastic polyester-imides from trimellitic acid, propanediphenol and an aromatic diamine which have improved mechanical properties, their preparation and their useCHEMIE LINZ GMBH·Filed 1993·Granted Jan 17, 1995·3 cites·4 claims
- 4339US5202478AProcess for the preparation of alpha, omega-alkanedioic acidsCHEMIE LINZ GMBH·Filed 1990·Granted Apr 13, 1993·2 cites·9 claims
- 4439US5189085AFlameproof plastics containing urea cyanurateCHEMIE LINZ GMBH·Filed 1991·Granted Feb 23, 1993·3 cites·8 claims
- 4539US4837335AProcess for the preparation of pure 1-phenyl-3-carbalkoxy-5-hydroxypyrazolesCHEMIE LINZ GMBH·Filed 1988·Granted Jun 6, 1989·2 cites·9 claims
- 4638US5629397A2,6-dimethylphenylmaleimide as a comonomer for styrene copolymers and vinyl chloride copolymersCHEMIE LINZ GMBH·Filed 1996·Granted May 13, 1997·4 cites·5 claims
- 4737US5563270AProcess for the preparation of 2-amino-4,6-dichloro-pyrimidineCHEMIE LINZ GMBH·Filed 1995·Granted Oct 8, 1996·2 cites·4 claims
- 4837US5248755AProcess for the preparation of asymmetrically substituted ureas, carbamates or thiocarbamatesCHEMIE LINZ GMBH·Filed 1992·Granted Sep 28, 1993·1 cites·10 claims
- 4935US5898076AProcess for preparing 1-pyruvyl-L-prolineCHEMIE LINZ GMBH·Filed 1998·Granted Apr 27, 1999·1 cites·8 claims
- 5035US5639662AIncreased enantioselectivity of lipase catalyzed transesterification of alkynols with vinyl estersCHEMIE LINZ GMBH·Filed 1995·Granted Jun 17, 1997·1 cites·10 claims
Showing the top 50 of 70 patent records by PatentIndex Score.
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